from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Hasty and careless, as in execution.
  • adverb In a reckless haphazard manner.

from The Century Dictionary.

  • In a sudden, offhand, abrupt, random, or headlong manner; abruptly; suddenly; all at once.
  • Dashing; offhand; abrupt; free, careless, or happy-go-lucky; rash or random; impetuous: as, a slap-dash manner; slap-dash work; a slap-dash writer.
  • noun A composition of lime and coarse sand, mixed to a liquid consistency and applied to exterior walls as a preservative; rough-casting; harling.
  • noun The outside plaster filling of a half-timbered house, between the beams.
  • noun Offhand, careless, happy-go-lucky, or ill-considered action or work.
  • noun Violent abuse.
  • To do in a rough or careless manner.
  • To rough-cast (a wall) with mortar.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb colloq. To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast.
  • adverb colloq. In a bold, careless manner; at random.
  • adverb colloq. With a slap; all at once; slap.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Done hastily; haphazard; careless.
  • adverb In a hasty or careless manner.
  • adverb Directly, right there.
  • verb colloquial To apply, or apply something to, in a hasty, careless, or rough manner; to roughcast.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb directly
  • adverb in a careless or reckless manner
  • adjective marked by great carelessness


Sorry, no etymologies found.


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  • When I don't have them around, I do a kind of slapdash version, which I will describe now.

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  • But that's not going to keep her original, "slapdash," study from being widely cited by the usual ranters.

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  • Other reviewers criticised the movie's lack of wit, laziness and "slapdash" execution.


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  • etymology anyone? Would love to have come up with this one...

    May 15, 2008

  • "Please accept this small, rather slapdash token of my appreciation"

    from Farewell, my Concubine

    April 18, 2009

  • Dont be slapdash on your GREs.

    August 9, 2012